[ 4413.104469][T29195] gre: GRE over IPv4 demultiplexer driver
[ 4414.735247][T29218] ip_gre: GRE over IPv4 tunneling driver
[ 4464.580432][T29789] ip6_gre: GRE over IPv6 tunneling driver
[ 4482.057997][T29988] ping (29988) used greatest stack depth: 23648 bytes left
[ 4486.224425][T30038] ping (30038) used greatest stack depth: 23440 bytes left
[ 4499.110067][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4503.972992][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4508.132958][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.996995][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4591.395169][T31264] ping (31264) used greatest stack depth: 23136 bytes left